Mostafa Ammar is Regents' Professor and Interim Chair of the School of Computer Science at the Georgia Institute of Technology. He previously served as Interim Chair of the School from August 2019 until August 2020 and as the Associate Chair from 2006 to 2012. Dr. Ammar received the S.B. and S.M. degrees from the Massachusetts Institute of Technology and the Ph.D. degree from the University of Waterloo, Ontario, Canada.

Dr. Ammar's research interests are in network architectures, protocols and services. He has contributions in the areas of multicast communication and services, multimedia streaming, content distribution networks, network simulation, disruption-tolerant networks, and most recently, in mobile cloud computing and network virtualization. He has published extensively in these areas. Over the years he has received funding for his research from federal and defense agencies and national and local industries including NSF, DARPA, AFOSR, ARL, CISCO, IBM, Intel, BellSouth and Sprint. To date, 39 PhD students have completed their degrees under his supervision; many have gone on to distinguished careers in academia and industry. He is the co-author of the textbook "Fundamentals of Telecommunication Networks" published by Wiley-Interscience in 1994.

Dr. Ammar has served the networking research community in multiple roles. Most notably, he served as the Editor-in-Chief of the IEEE/ACM Transactions on Networking (ToN) from 1999 to 2003, and he was the co-TPC Chair for the IEEE ICNP 1997, ACM CoNEXT 2006 and ACM SIGMETRICS 2007 conferences. His awards include the IBM Faculty Partnership Award (1996), Best Paper Award at the 7th WWW conference (1998), the GT Outstanding Doctoral Thesis Advisor Award (2006) and the Outstanding Service Award from the IEEE Technical Committee on Computer Communications (2010), the ACM Mobihoc Best Paper Award (2012), College of Computing Faculty Mentor Award (2015), College of Computing Dean's Award (2018), Best Paper Award at IFIP Network Traffic Measurement and Analysis Conference (2018). Teaching awards include the GT Course Survey Teaching Effectiveness Award (2013, 2014, 2015, 2016, and 2017) and the Student Recognition of Excellence in Teaching: 2022 CIOS Award.

Dr. Ammar received the Alumni Achievement Award from the Faculty of Engineering at the University of Waterloo in Novemeber 2018.

Dr. Ammar was elected Fellow of the IEEE in 2002 and Fellow of the ACM in 2003. He was elected as a Member of Academia Europea in 2020.